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Kernel: Disable big process lock in sys$gethostname() sys$sethostname()
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parent
9201a06027
commit
10ce896d4f
Notes:
sideshowbarker
2024-07-18 08:42:43 +09:00
Author: https://github.com/bgianfo Commit: https://github.com/SerenityOS/serenity/commit/10ce896d4ff Pull-request: https://github.com/SerenityOS/serenity/pull/8864 Reviewed-by: https://github.com/IdanHo Reviewed-by: https://github.com/gunnarbeutner ✅ Reviewed-by: https://github.com/tomuta ✅
@ -64,8 +64,8 @@ enum class NeedsBigProcessLock {
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S(get_dir_entries, NeedsBigProcessLock::Yes) \
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S(getcwd, NeedsBigProcessLock::Yes) \
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S(gettimeofday, NeedsBigProcessLock::Yes) \
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S(gethostname, NeedsBigProcessLock::Yes) \
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S(sethostname, NeedsBigProcessLock::Yes) \
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S(gethostname, NeedsBigProcessLock::No) \
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S(sethostname, NeedsBigProcessLock::No) \
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S(chdir, NeedsBigProcessLock::Yes) \
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S(uname, NeedsBigProcessLock::Yes) \
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S(set_mmap_name, NeedsBigProcessLock::Yes) \
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@ -13,7 +13,7 @@ extern Mutex* g_hostname_lock;
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KResultOr<FlatPtr> Process::sys$gethostname(Userspace<char*> buffer, size_t size)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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VERIFY_NO_PROCESS_BIG_LOCK(this)
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REQUIRE_PROMISE(stdio);
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if (size > NumericLimits<ssize_t>::max())
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return EINVAL;
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@ -27,7 +27,7 @@ KResultOr<FlatPtr> Process::sys$gethostname(Userspace<char*> buffer, size_t size
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KResultOr<FlatPtr> Process::sys$sethostname(Userspace<const char*> hostname, size_t length)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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VERIFY_NO_PROCESS_BIG_LOCK(this)
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REQUIRE_NO_PROMISES;
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if (!is_superuser())
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return EPERM;
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